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Network and method for access multimedia service to non-group mode mobile terminal

A technology for multimedia services and mobile terminals, applied in the field of communications, can solve problems such as the inability of mobile terminals to register, and achieve the effects of enriching multimedia services, reducing signaling detours, and increasing bandwidth

Active Publication Date: 2006-11-29
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0021] Aiming at the shortcomings of the prior art, the present invention proposes a network and method for non-packet mode mobile terminals to access multimedia services, so as to solve the problem that mobile terminals cannot register in the IMS domain in the prior art, and at the same time reduce signaling overhead and save system resource

Method used

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  • Network and method for access multimedia service to non-group mode mobile terminal
  • Network and method for access multimedia service to non-group mode mobile terminal
  • Network and method for access multimedia service to non-group mode mobile terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] Embodiment 1: The case where there is an MGW.

[0066] Such as figure 2 As shown, it is a schematic diagram of the network structure of Embodiment 1 of the present invention. In the network structure, an MGW is provided. It can be seen from the figure that the network for mobile users in non-packet mode to access multimedia services in the present invention mainly includes the following components:

[0067] RAN, for accessing the mobile user;

[0068] IMS, providing multimedia services for mobile users;

[0069] The MGW is used to control the conversion between the bearer in the circuit domain and the bearer in the IMS domain;

[0070] On the basis of the above content, the network adds a mobile user access agent unit (MAUA), which communicates with the RAN and MGW, accesses the mobile user to the IMS through the RAN, and manages the mobile user. Including registering, authenticating, initiating a session, accepting a session, etc. for the UE.

[0071] In this solu...

Embodiment 2

[0089] Embodiment 2: There is no MGW.

[0090] Such as Figure 4 as shown,

[0091] In this networking situation, the media stream is directly carried by the IP out of the BSC without passing through the A interface, and communicates through the IP network. At the same time, the network shall provide a Media Resource Function (MRF) entity to provide the playback resources required during the call.

[0092] The biggest difference between the solution of embodiment 2 and the solution of embodiment 1 is that the MGW network entity associated with each MAUA is canceled in the network, and the MRF entity shared by the whole network is used to replace its media resource capability (that is, to provide various playback, conference chip, etc.). Since the entity MGW is not needed, the MAUA does not need to provide the control capability of the MGW, that is, it does not need to support the H.248 protocol.

[0093] Such as Figure 4 Shown is a schematic diagram of the network struct...

example 1

[0120] Example 1. Registration process:

[0121] Such as Figure 6 As shown, under the network structure of the present invention, the signaling flow chart adopting the method of the present invention for initiating a location update request when the user terminal is turned on mainly includes the following steps:

[0122] S11, the user turns on the phone, and initiates a location update request; the request message contains a user identification parameter and an update type parameter; wherein the user identification is an International Mobile Subscriber Identity (IMSI), and the update type is assigned as "user power on";

[0123] S12. The base station system (BS) sends a location update request to the MAUA;

[0124] S13. The MAUA maps the parameters in the location update request message to the header fields and parameters in the SIP registration message, constructs a SIP registration message, and sends it to the P-CSCF in the IMS domain;

[0125] S14. After receiving the re...

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Abstract

This invention relates to networks for accessing multimedia services for mobile terminals of the non-packet mode including: a radio access network for accessing said mobile users, an IMS providing multimedia services to mobile users, a media gateway used in controlling the conversion between a circuit domain load and that of the IMS domain characterizing in also including: MAUA communicating with said radio access network and the media gateway to access said mobile users to the IMS by the radio access network and manage the users, which alters the load of the core net to that provided by the IP completely and gives up the traditional switch signaling such as ISUP / MAP.

Description

technical field [0001] The invention relates to the communication field, in particular to a network and a method for accessing multimedia services for mobile terminals in non-packet mode. Background technique [0002] The IP multimedia subsystem is a new functional module added by 3GPP to the WCDMA R5 system. It is responsible for providing relevant control mechanisms for IP-based multimedia services (such as VoIP, conference TV services, etc.) on the basis of packet domain connections. The main functional entities of the system include: Call State Control Function (CSCF), Media Gateway Control Function (MGCF), and Media Resource Function (MRF). The main functions of these functional entities are: [0003] 1. Call State Control Function (CSCF): [0004] The IP Multimedia Subsystem includes three different call state control functions: Inquiring CSCF (I-CSCF), Proxy CSCF (P-CSCF), and Serving CSCF (S-CSCF). [0005] P-CSCF is the first step for UE to contact IMS. It will ...

Claims

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Application Information

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IPC IPC(8): H04L12/28H04L12/66H04L12/64
Inventor 徐杰刘文宇尤昉魏华
Owner HUAWEI TECH CO LTD
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